
<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta charset="utf-8" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" />

    <title>Reflection &#8212; Python 3.9.6 documentation</title>
    <link rel="stylesheet" href="../_static/pydoctheme.css" type="text/css" />
    <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
    
    <script type="text/javascript" id="documentation_options" data-url_root="../" src="../_static/documentation_options.js"></script>
    <script type="text/javascript" src="../_static/jquery.js"></script>
    <script type="text/javascript" src="../_static/underscore.js"></script>
    <script type="text/javascript" src="../_static/doctools.js"></script>
    <script type="text/javascript" src="../_static/language_data.js"></script>
    
    <script type="text/javascript" src="../_static/sidebar.js"></script>
    
    <link rel="search" type="application/opensearchdescription+xml"
          title="Search within Python 3.9.6 documentation"
          href="../_static/opensearch.xml"/>
    <link rel="author" title="About these documents" href="../about.html" />
    <link rel="index" title="Index" href="../genindex.html" />
    <link rel="search" title="Search" href="../search.html" />
    <link rel="copyright" title="Copyright" href="../copyright.html" />
    <link rel="next" title="Codec registry and support functions" href="codec.html" />
    <link rel="prev" title="String conversion and formatting" href="conversion.html" />
    <link rel="canonical" href="https://docs.python.org/3/c-api/reflection.html" />
    
      
      
    

    
    <style>
      @media only screen {
        table.full-width-table {
            width: 100%;
        }
      }
    </style>

    <link rel="shortcut icon" type="image/png" href="../_static/py.png" />
    
    <script type="text/javascript" src="../_static/copybutton.js"></script>
    
     


  </head><body>
  
    <div class="related" role="navigation" aria-label="related navigation">
      <h3>Navigation</h3>
      <ul>
        <li class="right" style="margin-right: 10px">
          <a href="../genindex.html" title="General Index"
             accesskey="I">index</a></li>
        <li class="right" >
          <a href="../py-modindex.html" title="Python Module Index"
             >modules</a> |</li>
        <li class="right" >
          <a href="codec.html" title="Codec registry and support functions"
             accesskey="N">next</a> |</li>
        <li class="right" >
          <a href="conversion.html" title="String conversion and formatting"
             accesskey="P">previous</a> |</li>

    <li><img src="../_static/py.png" alt=""
             style="vertical-align: middle; margin-top: -1px"/></li>
    <li><a href="https://www.python.org/">Python</a> &#187;</li>
    

    <li>
      <a href="../index.html">3.9.6 Documentation</a> &#187;
    </li>

          <li class="nav-item nav-item-1"><a href="index.html" >Python/C API Reference Manual</a> &#187;</li>
          <li class="nav-item nav-item-2"><a href="utilities.html" accesskey="U">Utilities</a> &#187;</li>
    <li class="right">
        

    <div class="inline-search" style="display: none" role="search">
        <form class="inline-search" action="../search.html" method="get">
          <input placeholder="Quick search" type="text" name="q" />
          <input type="submit" value="Go" />
          <input type="hidden" name="check_keywords" value="yes" />
          <input type="hidden" name="area" value="default" />
        </form>
    </div>
    <script type="text/javascript">$('.inline-search').show(0);</script>
         |
    </li>

      </ul>
    </div>    

    <div class="document">
      <div class="documentwrapper">
        <div class="bodywrapper">
          <div class="body" role="main">
            
  <section id="reflection">
<span id="id1"></span><h1>Reflection<a class="headerlink" href="#reflection" title="Permalink to this headline">¶</a></h1>
<dl class="function">
<dt id="c.PyEval_GetBuiltins">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name descname">PyEval_GetBuiltins</code><span class="sig-paren">(</span>void<span class="sig-paren">)</span><a class="headerlink" href="#c.PyEval_GetBuiltins" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: Borrowed reference.</em><p>Return a dictionary of the builtins in the current execution frame,
or the interpreter of the thread state if no frame is currently executing.</p>
</dd></dl>

<dl class="function">
<dt id="c.PyEval_GetLocals">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name descname">PyEval_GetLocals</code><span class="sig-paren">(</span>void<span class="sig-paren">)</span><a class="headerlink" href="#c.PyEval_GetLocals" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: Borrowed reference.</em><p>Return a dictionary of the local variables in the current execution frame,
or <code class="docutils literal notranslate"><span class="pre">NULL</span></code> if no frame is currently executing.</p>
</dd></dl>

<dl class="function">
<dt id="c.PyEval_GetGlobals">
<a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a>* <code class="sig-name descname">PyEval_GetGlobals</code><span class="sig-paren">(</span>void<span class="sig-paren">)</span><a class="headerlink" href="#c.PyEval_GetGlobals" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: Borrowed reference.</em><p>Return a dictionary of the global variables in the current execution frame,
or <code class="docutils literal notranslate"><span class="pre">NULL</span></code> if no frame is currently executing.</p>
</dd></dl>

<dl class="function">
<dt id="c.PyEval_GetFrame">
<a class="reference internal" href="veryhigh.html#c.PyFrameObject" title="PyFrameObject">PyFrameObject</a>* <code class="sig-name descname">PyEval_GetFrame</code><span class="sig-paren">(</span>void<span class="sig-paren">)</span><a class="headerlink" href="#c.PyEval_GetFrame" title="Permalink to this definition">¶</a></dt>
<dd><em class="refcount">Return value: Borrowed reference.</em><p>Return the current thread state’s frame, which is <code class="docutils literal notranslate"><span class="pre">NULL</span></code> if no frame is
currently executing.</p>
<p>See also <a class="reference internal" href="init.html#c.PyThreadState_GetFrame" title="PyThreadState_GetFrame"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyThreadState_GetFrame()</span></code></a>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PyFrame_GetBack">
int <code class="sig-name descname">PyFrame_GetBack</code><span class="sig-paren">(</span><a class="reference internal" href="veryhigh.html#c.PyFrameObject" title="PyFrameObject">PyFrameObject</a><em> *frame</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyFrame_GetBack" title="Permalink to this definition">¶</a></dt>
<dd><p>Get the <em>frame</em> next outer frame.</p>
<p>Return a strong reference, or <code class="docutils literal notranslate"><span class="pre">NULL</span></code> if <em>frame</em> has no outer frame.</p>
<p><em>frame</em> must not be <code class="docutils literal notranslate"><span class="pre">NULL</span></code>.</p>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.9.</span></p>
</div>
</dd></dl>

<dl class="function">
<dt id="c.PyFrame_GetCode">
int <code class="sig-name descname">PyFrame_GetCode</code><span class="sig-paren">(</span><a class="reference internal" href="veryhigh.html#c.PyFrameObject" title="PyFrameObject">PyFrameObject</a><em> *frame</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyFrame_GetCode" title="Permalink to this definition">¶</a></dt>
<dd><p>Get the <em>frame</em> code.</p>
<p>Return a strong reference.</p>
<p><em>frame</em> must not be <code class="docutils literal notranslate"><span class="pre">NULL</span></code>. The result (frame code) cannot be <code class="docutils literal notranslate"><span class="pre">NULL</span></code>.</p>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.9.</span></p>
</div>
</dd></dl>

<dl class="function">
<dt id="c.PyFrame_GetLineNumber">
int <code class="sig-name descname">PyFrame_GetLineNumber</code><span class="sig-paren">(</span><a class="reference internal" href="veryhigh.html#c.PyFrameObject" title="PyFrameObject">PyFrameObject</a><em> *frame</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyFrame_GetLineNumber" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the line number that <em>frame</em> is currently executing.</p>
<p><em>frame</em> must not be <code class="docutils literal notranslate"><span class="pre">NULL</span></code>.</p>
</dd></dl>

<dl class="function">
<dt id="c.PyEval_GetFuncName">
const char* <code class="sig-name descname">PyEval_GetFuncName</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *func</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyEval_GetFuncName" title="Permalink to this definition">¶</a></dt>
<dd><p>Return the name of <em>func</em> if it is a function, class or instance object, else the
name of <em>func</em>s type.</p>
</dd></dl>

<dl class="function">
<dt id="c.PyEval_GetFuncDesc">
const char* <code class="sig-name descname">PyEval_GetFuncDesc</code><span class="sig-paren">(</span><a class="reference internal" href="structures.html#c.PyObject" title="PyObject">PyObject</a><em> *func</em><span class="sig-paren">)</span><a class="headerlink" href="#c.PyEval_GetFuncDesc" title="Permalink to this definition">¶</a></dt>
<dd><p>Return a description string, depending on the type of <em>func</em>.
Return values include “()” for functions and methods, ” constructor”,
” instance”, and ” object”.  Concatenated with the result of
<a class="reference internal" href="#c.PyEval_GetFuncName" title="PyEval_GetFuncName"><code class="xref c c-func docutils literal notranslate"><span class="pre">PyEval_GetFuncName()</span></code></a>, the result will be a description of
<em>func</em>.</p>
</dd></dl>

</section>


          </div>
        </div>
      </div>
      <div class="sphinxsidebar" role="navigation" aria-label="main navigation">
        <div class="sphinxsidebarwrapper">
  <h4>Previous topic</h4>
  <p class="topless"><a href="conversion.html"
                        title="previous chapter">String conversion and formatting</a></p>
  <h4>Next topic</h4>
  <p class="topless"><a href="codec.html"
                        title="next chapter">Codec registry and support functions</a></p>
  <div role="note" aria-label="source link">
    <h3>This Page</h3>
    <ul class="this-page-menu">
      <li><a href="../bugs.html">Report a Bug</a></li>
      <li>
        <a href="https://github.com/python/cpython/blob/3.9/Doc/c-api/reflection.rst"
            rel="nofollow">Show Source
        </a>
      </li>
    </ul>
  </div>
        </div>
      </div>
      <div class="clearer"></div>
    </div>  
    <div class="related" role="navigation" aria-label="related navigation">
      <h3>Navigation</h3>
      <ul>
        <li class="right" style="margin-right: 10px">
          <a href="../genindex.html" title="General Index"
             >index</a></li>
        <li class="right" >
          <a href="../py-modindex.html" title="Python Module Index"
             >modules</a> |</li>
        <li class="right" >
          <a href="codec.html" title="Codec registry and support functions"
             >next</a> |</li>
        <li class="right" >
          <a href="conversion.html" title="String conversion and formatting"
             >previous</a> |</li>

    <li><img src="../_static/py.png" alt=""
             style="vertical-align: middle; margin-top: -1px"/></li>
    <li><a href="https://www.python.org/">Python</a> &#187;</li>
    

    <li>
      <a href="../index.html">3.9.6 Documentation</a> &#187;
    </li>

          <li class="nav-item nav-item-1"><a href="index.html" >Python/C API Reference Manual</a> &#187;</li>
          <li class="nav-item nav-item-2"><a href="utilities.html" >Utilities</a> &#187;</li>
    <li class="right">
        

    <div class="inline-search" style="display: none" role="search">
        <form class="inline-search" action="../search.html" method="get">
          <input placeholder="Quick search" type="text" name="q" />
          <input type="submit" value="Go" />
          <input type="hidden" name="check_keywords" value="yes" />
          <input type="hidden" name="area" value="default" />
        </form>
    </div>
    <script type="text/javascript">$('.inline-search').show(0);</script>
         |
    </li>

      </ul>
    </div>  
    <div class="footer">
    &copy; <a href="../copyright.html">Copyright</a> 2001-2021, Python Software Foundation.
    <br />

    The Python Software Foundation is a non-profit corporation.
<a href="https://www.python.org/psf/donations/">Please donate.</a>
<br />
    <br />

    Last updated on Jun 28, 2021.
    <a href="https://docs.python.org/3/bugs.html">Found a bug</a>?
    <br />

    Created using <a href="https://www.sphinx-doc.org/">Sphinx</a> 2.3.1.
    </div>

  </body>
</html>